diff options
Diffstat (limited to 'apt-pkg/contrib/fileutl.cc')
| -rw-r--r-- | apt-pkg/contrib/fileutl.cc | 38 |
1 files changed, 25 insertions, 13 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc index c7c60e00e..02b30dc1f 100644 --- a/apt-pkg/contrib/fileutl.cc +++ b/apt-pkg/contrib/fileutl.cc @@ -58,13 +58,10 @@ #include <bzlib.h> #endif #ifdef HAVE_LZMA - #include <stdint.h> #include <lzma.h> #endif - -#ifdef WORDS_BIGENDIAN -#include <inttypes.h> -#endif +#include <endian.h> +#include <stdint.h> #include <apti18n.h> /*}}}*/ @@ -855,6 +852,27 @@ bool ExecWait(pid_t Pid,const char *Name,bool Reap) } /*}}}*/ + +// StartsWithGPGClearTextSignature - Check if a file is Pgp/GPG clearsigned /*{{{*/ +// --------------------------------------------------------------------- +/* */ +bool StartsWithGPGClearTextSignature(string const &FileName) +{ + static const char* SIGMSG = "-----BEGIN PGP SIGNED MESSAGE-----\n"; + char buffer[strlen(SIGMSG)+1]; + FILE* gpg = fopen(FileName.c_str(), "r"); + if (gpg == NULL) + return false; + + char const * const test = fgets(buffer, sizeof(buffer), gpg); + fclose(gpg); + if (test == NULL || strcmp(buffer, SIGMSG) != 0) + return false; + + return true; +} + + class FileFdPrivate { /*{{{*/ public: #ifdef HAVE_ZLIB @@ -1896,19 +1914,13 @@ unsigned long long FileFd::Size() FileFdErrno("lseek","Unable to seek to end of gzipped file"); return 0; } - size = 0; + uint32_t size = 0; if (read(iFd, &size, 4) != 4) { FileFdErrno("read","Unable to read original size of gzipped file"); return 0; } - -#ifdef WORDS_BIGENDIAN - uint32_t tmp_size = size; - uint8_t const * const p = (uint8_t const * const) &tmp_size; - tmp_size = (p[3] << 24) | (p[2] << 16) | (p[1] << 8) | p[0]; - size = tmp_size; -#endif + size = le32toh(size); if (lseek(iFd, oldPos, SEEK_SET) < 0) { |